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Science and Technology Powerhouse, Live Broadcasting the Four Great Inventions to Emperor Qin Shi Huang
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Live science videos to the ancients, to promote the concept of science to strengthen the countryLu Xiaoqi is a history and culture of the video UP master, by chance, she updated the video was put into the countless parallel history of space and time, was seen by millions of people "Inventory of the four great inventions, reasoning why science and technology in ancient times is not valued" "Inventory of the four major ancient agronomists: from the acres of 100 pounds to the acres of 1,000 pounds of the history of the progression of ...